DTC U3000:4B [ELECTRIC POWER STEERING (EPS)]

id0602a1816400

Warning

•  The EPS CM temperature could become high and may cause a burn. Before performing the work, verify that the steering column is cold.

DTC U3000:4B	EPS CM
DETECTION CONDITION	•  Abnormal temperature in EPS CM is detected
FAIL-SAFE FUNCTION	•  Control is maintained in fail mode •  Power steering malfunction indication: Not illuminated/indicated
POSSIBLE CAUSE	•  Due to the continuously static steering, being turned to the lock end, or other causes, the internal temperature of the EPS CM is more than the specified value. •  EPS CM malfunction
SYSTEM WIRING DIAGRAM	Not applicable

Diagnostic Procedure

Step	Inspection		Action
1	SWITCH THE IGNITION OFF AND ALLOW EPS CONTROL MODULE TO COOL DOWN.
2	VERIFY THAT SAME DTC IS NOT PRESENT •  Clear the DTC from the memory. (See ELECTRIC POWER STEERING (EPS) ON-BOARD DIAGNOSIS [ELECTRIC POWER STEERING (EPS)].) •  Is the same Pending DTC present? (See ELECTRIC POWER STEERING (EPS) ON-BOARD DIAGNOSIS [ELECTRIC POWER STEERING (EPS)].)	Yes	Repeat the inspection from Step 1. If the malfunction recurs, replace the EPS CM, then go to the next step. (See STEERING WHEEL AND COLUMN REMOVAL/INSTALLATION.)
		No	Go to the next step.
3	VERIFY THAT NO OTHER DTCs ARE PRESENT •  Are any other DTCs output? (See ELECTRIC POWER STEERING (EPS) ON-BOARD DIAGNOSIS [ELECTRIC POWER STEERING (EPS)].)	Yes	Go to the applicable DTC inspection. (See ELECTRIC POWER STEERING (EPS) ON-BOARD DIAGNOSIS [ELECTRIC POWER STEERING (EPS)].)
		No	DTC troubleshooting completed.